2815-01-497-3147 VALVE,POPPET,ENGINE Index 5330-01-497-3149 PACKING ASSEMBLY

National Stock Number:
5365-01-497-3148

Federal Supply Class:
5365

National Item Identification Number:
014973148

Description:
SPACER,RING

Detail:
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see GASKET. For items manufactured from lubricated plastics, see BEARING, WASHER, THRUST. For items manufactured from lubricated felt, see FELT, MECHANICAL, PREFORMED. Excludes DISK, VALVE; INSULATOR WASHER; and SHIM. See also SPACER, PLATE and SPACER, SLEEVE.


Manufacturer Information:
167-706680553711NAVAL SEA SYSTEMS COMMAND
167-7066805-4653711NAVAL SEA SYSTEMS COMMAND
H547-2003-4696169ELECTRIC BOAT CORPORATION


Techincal Specification:
INSIDE DIAMETER3.060 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSHIM
PROPRIETARY CHARACTERISTICSPACS
OUTSIDE DIAMETER4.000 INCHES NOMINAL
OVERALL THICKNESS0.313 INCHES NOMINAL
SPECIAL FEATURESTECH DATA NOT RELEASED OUTSIDE U.S.; MATERIAL IS BEARIUM


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